diff --git a/js/server/tests/aql-optimizer-indexes.js b/js/server/tests/aql-optimizer-indexes.js
index f773980bd9..69f329153a 100644
--- a/js/server/tests/aql-optimizer-indexes.js
+++ b/js/server/tests/aql-optimizer-indexes.js
@@ -1,5 +1,5 @@
 /*jshint strict: false, maxlen: 500 */
-/*global require, assertEqual, assertNotEqual, AQL_EXPLAIN, AQL_EXECUTE */
+/*global require, assertTrue, assertEqual, assertNotEqual, AQL_EXPLAIN, AQL_EXECUTE */
 
 ////////////////////////////////////////////////////////////////////////////////
 /// @brief tests for index usage